The transformation of old urban communities is a major livelihood project and development project that the state attaches great importance to, but there are some problems in the transformation of old urban communities in local cities, such as unreasonable planning, extensive construction organization, difficult overall coordination and so on. This paper analyzes and studies the organic integration of the renovation process of urban old residential areas and the whole life cycle of the project, proposes to establish a full life cycle framework for each stage of urban old community renovation based on CIM+AI technology, and constructs a comprehensive integrated system and three-dimensional visualization model of the whole life cycle of urban old community renovation, in order to provide reference for the transformation of old urban communities in various regions.